[f. WASH v. + -ERY.] A place at which the washing of coal, ore, wool, etc., is carried on.

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1895.  Columbus (Ohio) Dispatch, 6 May, 7/6. A most disastrous fire broke out … at the Coke plant. The destruction of the washery and machinery was complete.

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1898.  Daily News, 2 Dec., 2/2. Quantities of fish are caught, and sent to the gold washeries.

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1907.  Clapham, Woollen & Worsted Ind., vi. 246. Some washing of both combing and carding wools is done in separate ‘washeries.’

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